Vineet Gupta 21cee1bd15 ARC: [hsdk] Make it easier to add PAE40 region to DTB
1. Bump top level address-cells/size-cells nodes to 2 (to ensure all
   down stream addresses are 64-bits, unless explicitly specified
   otherwise (in "soc" bus with all peripherals)

2. "memory" also specified with address/size 2

3. Add a commented reference for PAE40 region beyond 4GB physical
   address space

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2019-04-02 12:11:01 -07:00
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